linux-kernel - Re: 2.6.21-rc5: Thinkpad X60 gets critical thermal shutdowns

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Message-ID: <460F511E.2090102@goop.org>
Date:	Sat, 31 Mar 2007 23:28:46 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Alexey Starikovskiy <aystarik@...il.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-acpi@...r.kernel.org
Subject: Re: 2.6.21-rc5: Thinkpad X60 gets critical thermal shutdowns

Alexey Starikovskiy wrote:
> Could you try to unload or disable hardware sensors and check if it
> helps?
> CONFIG_I2C=m
> CONFIG_I2C_ALGOBIT=m
> CONFIG_I2C_ALGOPCA=m
> CONFIG_I2C_I810=m
> CONFIG_I2C_PIIX4=m
> CONFIG_SENSORS_DS1337=m
> CONFIG_SENSORS_DS1374=m
> CONFIG_SENSORS_EEPROM=m
> CONFIG_SENSORS_PCF8574=m
> CONFIG_SENSORS_PCA9539=m
> CONFIG_SENSORS_PCF8591=m
> CONFIG_SENSORS_MAX6875=m

That seems to have helped.  If I watch
/proc/acpi/thermal_zone/THM?/temperature, it seems stable even under
load.   I didn't try watching the thermal_zones when these options were
enabled, but I presume the temperature was not controlled for it to hit
128 degC.

What's going on here?  Does reading an i2c sensor from the kernel
prevent something else from doing it?

    J
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